android_webview/apk/java/res_devui/values/styles.xml - chromium/src - Git at Google

 <?xml version="1.0" encoding="utf-8"?>
 <resources>
     <style name="Theme.DevUi.DayNight" parent="@android:style/Theme.Material.Light.DarkActionBar" />
 </resources>
	<?xml version="1.0" encoding="utf-8"?>
	<resources>
	<style name="Theme.DevUi.DayNight" parent="@android:style/Theme.Material.Light.DarkActionBar" />
	</resources>